spin off
verb
- to create a new entity based on an existing entity
Wiktionary
verb
- To create (something) as a by-product or a secondary derived work.
“a line of merchandise spun off from a TV series”
“For example, an OS/2-based data manager might spin off a thread to sort a file or allow two files to be sorted at the same time, one using CPU time while the other is waiting for disk I/O.”